凶暴

1. Origins, structure, and basic meaning

• Structure: 凶暴(きょうぼう) is a noun and な-adjective describing a person or animal as ferocious or violent.
• Basic usage: It modifies a fierce beast in 凶暴な獣, while a sudden change in a dog appears in 犬が凶暴になる.

2. Common pitfalls and similar expressions

• Quality and change of state
  • It can portray an animal as ferocious or describe a normally quiet animal suddenly becoming violent.
• Modifier and change form
  • Use 凶暴な before a noun and 凶暴になる for becoming violent.